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Novosadov [1.4K]
3 years ago
10

Write the symbol of each neutral element based on its written electron configuration:

Chemistry
1 answer:
yan [13]3 years ago
4 0

Answer:

First one is VANADIUM (V).

Last one is CAESIUM (Cs).

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Temperature and Thermal Er
gtnhenbr [62]

Explanation:

50 degrees fahrenheit =

10 degrees celsius

7 0
3 years ago
Read 2 more answers
Students in a chemistry class added 5 g of Zinc to 50 g of hydrochloric acid. A chemical reaction occurred that produced zinc ch
Vinil7 [7]

Answer:

Mass = 11 g

Explanation:

Given data:

Mass of Zn = 5 g

Mass of HCl = 50 g

Mass of hydrogen gas produced = 6 g

Mass of zinc chloride produced = ?

Solution:

Chemical equation:

Zn + 2HCl    →   ZnCl₂ + H₂

Number of moles of Zn:

Number of moles = mass / molar mass

Number of moles = 5 g / 65.38 g/mol

Number of moles = 0.08 mol

Number of moles of HCl :

Number of moles = mass / molar mass

Number of moles = 50 g / 36.5 g/mol

Number of moles = 1.4 mol

Now we will compare the moles of both reactant with zinc chloride.

              Zn           :           ZnCl₂

               1             :             1

              0.08       :        0.08

            HCl          :         ZnCl₂

              2            :           1

             1.4          :         1/2×1.4 =0.7 mol

The number of moles of zinc chloride produced by Zn are less so it will limiting reactant.

Mass of zinc chloride:

Mass = number of moles × molar mass

Mass = 0.08 mol × 136.3 g/mol

Mass = 11 g

5 0
3 years ago
Four conditions which cause a metathesis reaction to occur?
zubka84 [21]
Metathesis is a type of reaction in which the cations and anions exchange partners. this reaction is also called double replacement. Metathesis reactions are driven by the formation of a product .this reaction is classified into three different categories: formation of precipitate, f<span>ormation of a Weak or Non-electrolyte and production of the gas.</span>
4 0
3 years ago
There are two valence electrons in an atom of magnesium. What would that magnesium atom do in a chemical reaction with another e
Katen [24]

Answer:

When a magnesium atom reacts with an oxygen atom, magnesium gives up its two valence electrons and becomes a positively charged ion, i.e. a cation, Mg2+ … The cation and the anion will then be attracted to each other by way of the electrostatic force of attraction → an ionic bond is formed.

Explanation:

hope it helps, please mark as brainliest

4 0
3 years ago
How do you predict a product of a synthesis reaction
AURORKA [14]
Ndbchdhchdnsndnxbxbsbdbx
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